# Red water observed for three days in Brest roadstead

> Ifremer received reports of reddish water at Logonna-Daoulas and Landévennec; samples show fragments of decomposing red algae, a natural phenomenon.

**In brief**: Environment event (severity: info) in Rade de Brest (Finistère), first detected on 28 October 2026 at 17:48. Reported by 2 sources (2 articles), last updated on 30 October 2026 at 07:51.

- Category: Environment
- Severity: Info
- Place: Rade de Brest — Finistère
- First detected: 28 October 2026 at 17:48
- Updated: 30 October 2026 at 07:51
- Web page: https://acturadar.com/en/events/3126-red-water-observed-for-three-days-in-brest-roadstead

## Sources (2 articles)

- [« C’est assez exceptionnel » : d’où vient cette eau rouge observée depuis trois jours en rade de Brest ?](https://www.ouest-france.fr/mer/cest-assez-exceptionnel-dou-vient-cette-eau-rouge-observee-depuis-trois-jours-en-rade-de-brest-f7928b62-d2d5-11f1-af78-2d36ec019942?utm_source=fluxpublicactu&utm_medium=fluxrss&utm_campaign=banquedecontenu) — Ouest-France, 28 October 2026 at 17:48
- ["C’est assez exceptionnel" : des eaux rouges observées en Bretagne, en raison de la décomposition d'une algue rare](https://www.ladepeche.fr/2026/10/30/cest-assez-exceptionnel-des-eaux-rouges-observees-en-bretagne-en-raison-de-la-decomposition-dune-algue-rare-13626167.php) — La Dépêche du Midi, 30 October 2026 at 07:51

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Cite as: Acturadar, “Red water observed for three days in Brest roadstead”, https://acturadar.com/en/events/3126-red-water-observed-for-three-days-in-brest-roadstead
Methodology: https://acturadar.com/en/methodology